Baidu, Inc. (NASDAQ: BIDU; HKEX: 9888) (?Baidu? or the ?Company?), a leading AI company with strong Internet foundation, today announced certain operating metrics on its Mobile Ecosystem at the 2021 Wanxiang Conference: ? Baidu App?s monthly active users (MAUs) reached 558 million, among which daily logged in users accounted for over 75%, in March 2021; ? Baijiahao (BJH) accounts reached 4.2 million as of March 31, 2021; and ? Smart Mini Program MAUs reached 416 million in March 2021.